CN102581597A - Push mounting fixture for oil inlet and outlet plates of electric fuel pumps - Google Patents
Push mounting fixture for oil inlet and outlet plates of electric fuel pumps Download PDFInfo
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- CN102581597A CN102581597A CN2012100629368A CN201210062936A CN102581597A CN 102581597 A CN102581597 A CN 102581597A CN 2012100629368 A CN2012100629368 A CN 2012100629368A CN 201210062936 A CN201210062936 A CN 201210062936A CN 102581597 A CN102581597 A CN 102581597A
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- electric fuel
- plate method
- oiled
- mount pad
- locating ring
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Abstract
The invention provides a push mounting fixture for oil inlet and outlet plates of electric fuel pumps. The push mounting fixture comprises a mounting seat, a positioning ring, a limiting mechanism and a positioning mechanism, at least a part of the mounting seat is cylindrical, a positioning hole and a positioning pin which match with a bump and a pit of an oil outlet plate are configured on the top of the mounting seat, the positioning ring is sleeved on the cylindrical part of the mounting seat and is in sliding fit with the mounting seat by the aid of a supporting column, the limiting mechanism which is used for limiting axial movement of the positioning ring is connected with the mounting seat, and the positioning mechanism which is used for peripherally positioning the oil inlet plate is respectively connected with the mounting seat and the positioning ring. By the aid of the fixture, one-step clamping and one-step push mounting of an oil inlet plate, the outlet plate and an impeller of an electric fuel pump are realized, and operation efficiency and push mounting quality are improved. In addition, the push mounting fixture for oil inlet and outlet plates of electric fuel pumps is reasonable in design, compact in structure and reliable in work.
Description
Technical field
The present invention relates to a kind of frock clamp, be specifically related to a kind of pressing clamp of electric fuel punp turnover oiled-plate method.
Background technology
The oil-feed plate of known electric fuel punp with go out oiled-plate method and need be fitted in the pump case, press-fit and utilize after the completion oil-feed plate and the plastic deformation that goes out oiled-plate method to realize its fixing in pump case.In order to guarantee, keep suitable spacing usually between impeller upper and lower end face and the turnover oiled-plate method in centre bore that passes in and out the impeller between the oiled-plate method and the magneto rotating shaft matched in clearance in the pump case.To pass in and out the concrete technology that oiled-plate method is fitted in the pump case in the prior art comprises: press-fit the oil-feed plate earlier, assemble impeller then, press-fit oiled-plate method at last again.In this process,, therefore need before press-fiting, detect the orientation of oil groove in order to guarantee to pass in and out the mutual angular relationship of the oil groove on the oiled-plate method.Therefore, of the prior artly press-fit operation and equipment and complicacy thereof, operating efficiency is lower, and the yield rate of product is not high yet.
Summary of the invention
The purpose of this invention is to provide a kind of pressing clamp of electric fuel punp turnover oiled-plate method, thereby solve the problems such as complex procedures that repeatedly press-fit in the prior art.
In order to solve the problems of the technologies described above, the present invention adopts following scheme:
The pressing clamp of a kind of electric fuel punp turnover oiled-plate method comprises: the cylindrical mount pad of part at least, and the top side configuration of said mount pad has locating hole and the alignment pin that cooperates with convexity that goes out oiled-plate method and pit; The locating ring that is set on the cylindrical part of said mount pad and is slidingly matched through support column and mount pad; Being used to of being connected with said mount pad limited the position-limit mechanism of the axially-movable of said locating ring; And the detent mechanism of the circumferential location that is used for the oil-feed plate that is connected with said locating ring with said mount pad respectively.
Said locating ring is provided with the through hole of at least one axially extended ccontaining said support column, has the flange of circumferential extension on the medial surface of said through hole, and the upper surface of support spring that is set in said support column bottom is against said flange.
Said locating ring has the breach that radially runs through.
Said position limiting structure comprises that the bottom is fixed in the shaft seat of said mount pad and at the claw between two ears about said shaft seat; Said claw supports through the rotating shaft that runs through shaft seat and around this rotating shaft rotation, the hook-type convexity of said claw upper end is stuck in the upper surface of said locating ring.
The medial surface of said claw lower end contacts with the lateral surface of spring in being installed in the shaft seat relevant position.
Said position limiting structure comprises the handle that is arranged on the said claw.
Said detent mechanism comprises axially extended lead that is fixedly connected with said mount pad and the plug housing that radially extends that is fixedly connected with said locating ring, is provided with latch spring and the directed latch that receives said latch spring pushing tow in the said plug housing.
Said lead comprises the end face inclined-plane, and said directed latch is provided with the slanting wedge hole that is run through by said lead, and said end face inclined-plane cooperates with the inner chamber inclined-plane of said slanting wedge hole.
Said directed latch end is provided with the directed face that cooperates with the circumferential positioning hole groove of oil-feed plate.
The present invention has realized the circumferential registration of turnover oiled-plate method through the upper end cylindrical cavity that utilizes locating ring, has carried out the orientation of oil-feed plate through attitude reference device, the orientation that has realized oiled-plate method through the locating hole that disposes on the mount pad and alignment pin; Carry out the automatic locking of locating ring through the automatic latch functions of position-limit mechanism, reduced the manual working step, improved operating efficiency.Use through these anchor clamps has realized that a clamping of electric fuel punp turnover oiled-plate method and impeller once press-fits, the operating efficiency of raising and press-fit quality.In addition, the pressing clamp of electric fuel punp turnover oiled-plate method provided by the invention is reasonable in design, compact conformation, reliable operation.
Description of drawings
Fig. 1 shows the stereogram according to the pressing clamp of electric fuel punp turnover oiled-plate method of the present invention;
Fig. 2 shows the pressing clamp and the stereogram that passes in and out after oiled-plate method and impeller are assembled according to electric fuel punp turnover oiled-plate method of the present invention;
Fig. 3 shows the pressing clamp and the vertical view that passes in and out after oiled-plate method and impeller are assembled according to electric fuel punp turnover oiled-plate method of the present invention;
Fig. 4 shows according to the pressing clamp of electric fuel punp turnover oiled-plate method of the present invention and assembles the cutaway view of back along A-A among Fig. 3 with turnover oiled-plate method and impeller;
Fig. 5 shows according to the pressing clamp of electric fuel punp turnover oiled-plate method of the present invention and assembles the cutaway view of back along B-B among Fig. 3 with turnover oiled-plate method and impeller.
The specific embodiment
Below in conjunction with accompanying drawing, provide preferred embodiment of the present invention, and describe in detail, enable to understand better function, the characteristics that electric fuel punp of the present invention passes in and out the pressing clamp of oiled-plate method.
More specifically with reference to accompanying drawing 1-5, the pressing clamp that passes in and out oiled-plate method according to electric fuel punp of the present invention comprises mount pad 1, locating ring 2, position-limit mechanism and detent mechanism.
End face is used for fixing the mount pad 1 of oiled-plate method 3 (as shown in Figure 3), and part is cylindrical at least; For example the top of this mount pad 1 is divided into cylindrical; Be convenient to sheathed locating ring 2 on the outer surface of this cylindrical part; The lower part of mount pad is depicted as cylindrical equally at this, this cylindrical lower portion branch extends radially outwardly from this cylindrical upper section branch, and promptly the diameter of section of cylindrical lower portion branch is greater than the diameter of section of cylindrical upper section branch.Can be respectively on this part that radially outward stretches out fixedly position-limit mechanism and detent mechanism.Should be appreciated that the shape of mount pad 1 is not limited thereto, any other shape that can satisfy the demand all can be used among the present invention.The top side configuration of mount pad 1 has locating hole 18 and alignment pin 19; As shown in Figure 1, so that cooperate with the corresponding convexity and the pit that go out oiled-plate method 3, thereby realize going out the circumferential location of oiled-plate method 3; Go out oiled-plate method 3 and be close to the end face of mount pad 1, realize its axial location by gravity.
The cylindrical upper section that locating ring 2 is set in mount pad 1 divides and is slidingly matched with mount pad 1, and promptly locating ring 2 outer surface that can divide along the cylindrical upper section of this mount pad 1 carries out axial fluctuating.This is slidingly fitted in this and is exemplified as such realization: in locating ring 2, be provided with an axially extended through hole, support column 15 is placed in this through hole.In an example, this through hole is depicted as near the edge that is positioned at locating ring 2, and is as shown in Figure 2.Has the flange that stretches out from locating ring 2 on the circumferential medial surface of this through hole; Be arranged with a support spring 16 in the bottom of support column 15; The upper surface of this support spring 16 is resisted against on the lower surface of this flange, thereby makes support spring 16 to apply the active force that axially makes progress to locating ring 2 through this flange.In a preferred embodiment of the invention, the top of this locating ring 2 has the breach 17 that radially runs through, and is as shown in Figure 1, so that the manual material loading of turnover oiled-plate method.Should be appreciated that, the opening angle of this breach, height is set and position etc. can be adjusted according to practical application.
The position-limit mechanism that is used to limit the axially-movable of locating ring 2 is depicted as the cylindrical lower portion that is fixed on mount pad 1 and divides.According to a preferred embodiment of the present invention, this position-limit mechanism comprises shaft seat 9, and the bottom of this shaft seat 9 is fixedly connected with the cylindrical lower portion branch of mount pad 1, for example passes through bolt.Be provided with claw 6 about shaft seat 9 between two ears.This shaft seat 9 comprises a rotating shaft 8, these rotating shaft 8 close-fittings be supported on shaft seat 9 about the through hole of two ears, claw 6 supports through this rotating shaft 8 and can be around this rotating shaft 8 rotation.In an example, claw 6 is provided with handle 7, so that manual operation claw 6 is around the motion of rotating shaft 8.Claw 6 upper ends are provided with the hook-type convexity, and this convexity is stuck in the upper surface of locating ring 2 to limit the axially-movable of this locating ring.In an example, this convexity is stuck on the upper surface of breach 17 of locating ring 2, and is as shown in Figure 2.The position that the cylindrical lower portion near mount pad of shaft seat 9 is divided is provided with the hole of radially extending; In this hole, be provided with spring 10; The lateral surface of this spring 10 contacts with the medial surface of the relevant position of claw 6, thereby makes spring 10 to apply radially outer active force to claw 6, and guaranteeing is not having under the external force effect; The hook-type convexity of claw 6 is blocked the upper surface of breach 17 all the time, and is as shown in Figure 4.
The detent mechanism that is used for the circumferential location of oil-feed plate 5 comprises lead 11 and plug housing 13; The cylindrical lower portion of the bottom of this lead 11 and said mount pad 1 is divided and is fixedly connected (for example passing through bolt) and extends axially, and this plug housing 13 is fixed on the excircle at locating ring 2 tops and radially extension.Be provided with latch spring 14 in the plug housing 13, a side pushing tow of this latch spring 14 is arranged at the directed latch 12 in this plug housing 13 equally, makes latch spring 14 to apply radially inner active force to directed latch 12.This lead 11 comprises an end face inclined-plane 21, is provided with in the directed latch 12 to be directed to the slanting wedge hole 20 that post 11 runs through, and this end face inclined-plane 21 cooperates with the inner chamber inclined-plane 22 of slanting wedge hole 20, and is as shown in Figure 5.The end of this orientation latch 12 is provided with the directed face that cooperates with the circumferential locating slot of oil-feed plate 5, the radial protrusion of directed latch 12 ends shown in Fig. 5.
End face inclined-plane 21 cooperates with the inner chamber inclined-plane 22 of slanting wedge hole 20 like this: when locating ring 2 is in the position; Under the active force of latch spring 14; The inner chamber inclined-plane 22 of the slanting wedge hole 20 of directed latch 12 and inclined-plane, top 21 contact matching of lead 11; The directed face of the directed latch 12 of this moment is stretched out, and inserts in the circumferential positioning hole groove of oil-feed plate 5, realizes the circumferential location to oil-feed plate 5; Through this orientation, oil-feed plate 5 has promptly satisfied final armored pump requirement with the mutual angular relationship of oil groove that goes out oiled-plate method 3.When locating ring 2 is moved by downward position, last position; Because the wedge gradually on inclined-plane; Directed latch 12 compression latch springs 14 and withdrawal gradually (for example in Fig. 4 to left movement) are when the inclined-plane, top 21 of lead 11 stretches out plug housing 13 fully, after disengaging with the inner chamber inclined-plane 22 of directed latch 12; The directed face of directed latch 12 is withdrawn, thereby deviates from the circumferential positioning hole groove of oil-feed plate 5.
The motion flow of the pressing clamp of electric fuel punp turnover oiled-plate method of the present invention: original state locating ring 2 is in upper/lower positions; The convexity of claw 6 is blocked locating ring 2; Support spring 16 is in compressive state, and the last end face of mount pad 1 exposes the breach 17 of locating ring 2, artificial successively will go out oiled-plate method 3, impeller 4, oil-feed plate 5 and be placed on the mount pad 1; Because the effect of lead 11, directed latch 12 is in retracted mode.After workpiece was laid completion, manual operation handle 7 unclamped claw 6, under the effect of support spring 16; Locating ring 2 moves upward, and finally rests on the position, this moment locating ring 2 upper end cylindrical cavity feel relieved out oiled-plate method 3 and oil-feed plate 5; The inner chamber inclined-plane 22 of the slanting wedge hole 20 of directed latch 12 contacts with the inclined-plane, top 21 of lead 11; The directed face of directed latch 12 is stretched out, and realizes the circumferential location to oil-feed plate 5, has so far accomplished oil-feed plate and the support, location, the orientation that go out oiled-plate method.When press-fiting, the pump case of electric fuel punp moves from top to bottom, and the lower surface of pump case contacts with locating ring 2 end faces; Locating ring 2 moves downward along with the descending of pump case, and under the effect on the inclined-plane, top 21 of lead 11, directed latch 12 is withdrawn gradually; After the top of oil-feed plate 5 gets into pump case; The directed face of directed latch 12 is deviate from the circumferential locating slot of oil-feed plate 5, and it is descending that pump case drives locating ring 2 continuation under external force, is pressed into the into design attitude of pump case until going out oiled-plate method 3; Accomplish the whole operation that press-fits, manual work is taken pump case away and is got final product.At this moment, locating ring 2 is carried out to its upper/lower positions (initial position), and under the effect of spring 10, claw 6 is around rotating shaft 8 rotations, and the upper end convexity of claw 6 is blocked the upper surface of locating ring 2 breach, and locating ring 2 is lockable, and has so far accomplished a work cycle.
The present invention has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
Pressing clamp of the present invention utilizes the upper end cylindrical cavity of locating ring 2 to realize the circumferential registration of turnover oiled-plate method; Carry out the orientation of oil-feed plate 5 through the attitude reference device that on the locating ring that fluctuates 2, is configured into oiled-plate method 5, realized the orientation of oiled-plate method 3 through configuration locating hole 18 on the mount pad 1 and alignment pin 19; Carry out the automatic locking of locating ring 2 through the automatic latch functions of position-limit mechanism, reduced the manual working step, improved operating efficiency.Use through these anchor clamps has realized that a clamping of electric fuel punp turnover oiled-plate method and impeller once press-fits, the operating efficiency of raising and press-fit quality.In addition, the pressing clamp of electric fuel punp turnover oiled-plate method provided by the invention is reasonable in design, compact conformation, reliable operation.
Above-described, be merely preferred embodiment of the present invention, be not in order to limiting scope of the present invention, the above embodiment of the present invention can also be made various variations.Be that every simple, equivalence of doing according to the claims and the description of application of the present invention changes and modification, all fall into the claim protection domain of patent of the present invention.The present invention not detailed description be the routine techniques content.
Claims (9)
1. the pressing clamp of an electric fuel punp turnover oiled-plate method is characterized in that, comprising:
At least the cylindrical mount pad of part, the top side configuration of said mount pad has locating hole and the alignment pin that cooperates with convexity that goes out oiled-plate method and pit;
The locating ring that is set on the cylindrical part of said mount pad and is slidingly matched through support column and said mount pad;
Being used to of being fixedly connected with said mount pad limited the position-limit mechanism of the axially-movable of said locating ring; And
The detent mechanism of the circumferential location that is used for the oil-feed plate that is fixedly connected with said locating ring with said mount pad respectively.
2. the pressing clamp of electric fuel punp turnover oiled-plate method as claimed in claim 1; It is characterized in that; Said locating ring is provided with the through hole of at least one axially extended ccontaining said support column; The flange that has circumferential extension on the medial surface of said through hole, the upper surface of support spring that is set in said support column bottom is against said flange.
3. the pressing clamp of electric fuel punp turnover oiled-plate method as claimed in claim 1 is characterized in that said locating ring has the breach that radially runs through.
4. the pressing clamp of electric fuel punp turnover oiled-plate method as claimed in claim 1; It is characterized in that; Said position limiting structure comprises that the bottom is fixed in the shaft seat of said mount pad and at the claw between two ears about said shaft seat; Said claw supports through the rotating shaft that runs through said shaft seat and around this rotating shaft rotation, the hook-type convexity of said claw upper end is stuck on the upper surface of said locating ring.
5. the pressing clamp of electric fuel punp as claimed in claim 4 turnover oiled-plate method is characterized in that, the medial surface of said claw lower end contacts with the lateral surface of spring in being installed in the shaft seat relevant position.
6. the pressing clamp of electric fuel punp turnover oiled-plate method as claimed in claim 4 is characterized in that said position limiting structure also comprises the handle that is arranged on the said claw.
7. the pressing clamp of electric fuel punp turnover oiled-plate method as claimed in claim 1; It is characterized in that; Said detent mechanism comprises axially extended lead that is fixedly connected with said mount pad and the plug housing that radially extends that is fixedly connected with said locating ring, is provided with latch spring and the directed latch that receives said latch spring pushing tow in the said plug housing.
8. the pressing clamp of electric fuel punp turnover oiled-plate method as claimed in claim 7; It is characterized in that; Said lead comprises the end face inclined-plane, and said directed latch is provided with the slanting wedge hole that is run through by said lead, and said end face inclined-plane cooperates with the inner chamber inclined-plane of said slanting wedge hole.
9. the pressing clamp of electric fuel punp turnover oiled-plate method as claimed in claim 7 is characterized in that said directed latch end is provided with the directed face that cooperates with the circumferential positioning hole groove of oil-feed plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210062936.8A CN102581597B (en) | 2012-03-09 | 2012-03-09 | Push mounting fixture for oil inlet and outlet plates of electric fuel pumps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210062936.8A CN102581597B (en) | 2012-03-09 | 2012-03-09 | Push mounting fixture for oil inlet and outlet plates of electric fuel pumps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102581597A true CN102581597A (en) | 2012-07-18 |
| CN102581597B CN102581597B (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210062936.8A Active CN102581597B (en) | 2012-03-09 | 2012-03-09 | Push mounting fixture for oil inlet and outlet plates of electric fuel pumps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102581597B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139368A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Mounting tooling and spreading device for annular elastic piece |
| CN106583996A (en) * | 2017-01-20 | 2017-04-26 | 广州松兴电气股份有限公司 | Powerless positioning device |
| CN112628039A (en) * | 2020-12-18 | 2021-04-09 | 赵瑞霞 | Intelligent electric fuel pump with electronic pressure regulator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB846752A (en) * | 1956-06-25 | 1960-08-31 | Theodor Oswald Robinson | Preheater for oil burners |
| JPH11285927A (en) * | 1998-04-02 | 1999-10-19 | Mitsubishi Motors Corp | Piston pin press-in device |
| CN201377370Y (en) * | 2009-04-03 | 2010-01-06 | 联合汽车电子有限公司 | Electric fuel pump |
| CN201940790U (en) * | 2011-03-25 | 2011-08-24 | 莱恩（中国）动力有限公司 | Positioning device for pressing and assembling oil seal of valve rod |
-
2012
- 2012-03-09 CN CN201210062936.8A patent/CN102581597B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB846752A (en) * | 1956-06-25 | 1960-08-31 | Theodor Oswald Robinson | Preheater for oil burners |
| JPH11285927A (en) * | 1998-04-02 | 1999-10-19 | Mitsubishi Motors Corp | Piston pin press-in device |
| JP3850979B2 (en) * | 1998-04-02 | 2006-11-29 | 三菱自動車工業株式会社 | Piston pin press-fitting device |
| CN201377370Y (en) * | 2009-04-03 | 2010-01-06 | 联合汽车电子有限公司 | Electric fuel pump |
| CN201940790U (en) * | 2011-03-25 | 2011-08-24 | 莱恩（中国）动力有限公司 | Positioning device for pressing and assembling oil seal of valve rod |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139368A (en) * | 2013-09-26 | 2014-11-12 | 国家电网公司 | Mounting tooling and spreading device for annular elastic piece |
| CN106583996A (en) * | 2017-01-20 | 2017-04-26 | 广州松兴电气股份有限公司 | Powerless positioning device |
| CN112628039A (en) * | 2020-12-18 | 2021-04-09 | 赵瑞霞 | Intelligent electric fuel pump with electronic pressure regulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102581597B (en) | 2014-04-09 |
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Address after: 200949 Baoshan District Road, Shanghai, No. 1555 Patentee after: Shanghai Ke Lai electromechanical automatic Engineering stock Co., Ltd Address before: 201308, room 1, building 1758, 5557 Hong Kong Road, reed tide Town, Pudong New Area, Shanghai Patentee before: Shanghai Kelai Electromechanical Automation Engineering Co., Ltd. |